4-Aminoazobenzene-4′-sulfonic acid104-23-432 % similar 4-Amino-N-methylbenzenemethanesulfonamide109903-35-732 % similar 4-(Piperidine-1-sulfonyl)-phenylamine6336-68-132 % similar Sodium sulfathiazole144-74-131 % similar P-Toluenesulfonylhydrazide1576-35-831 % similar 4,4'-Diaminodiphenylamine sulfate53760-27-331 % similar OBSH80-51-331 % similar 4-(Morpholinosulfonyl)aniline21626-70-030 % similar 5-Amino-2-methyl-N-phenylbenzenesulfonamide79-72-130 % similar Benzenesulfonyl hydrazide80-17-130 % similar